数学中最深刻的问题往往源于最简单的问题。
唯一真正的信仰是对爱的信仰。
你的生活无法改变是因为我。
When people are faced with a problem, they often think in terms of past experiences rather than looking at the actual structure of the problem.
世界上充满了显而易见的事情,却没有人注意到。